Membrane PotentialsMembrane Potential, MitochondrialCell MembraneMembranesIntracellular MembranesMembrane LipidsPotassiumMembranes, ArtificialElectrophysiologyCalciumElectric ConductivityCell Membrane PermeabilityPatch-Clamp TechniquesIon ChannelsAction PotentialsSodiumMitochondriaErythrocyte MembranePotassium ChannelsIon Channel GatingMembrane FluidityBasement MembraneChloridesKineticsHydrogen-Ion ConcentrationTime FactorsNeuronsMitochondrial MembranesValinomycinModels, BiologicalGuinea PigsLipid BilayersMembrane Transport ProteinsElectric StimulationTetrodotoxinBariumAdenosine TriphosphateCell LineCalcium ChannelsFluorescent DyesMicroelectrodesCells, CulturedBiological Transport, ActiveTetraethylammoniumTetraethylammonium CompoundsMembrane GlycoproteinsCesiumOocytesCarbonyl Cyanide p-TrifluoromethoxyphenylhydrazoneTrityl CompoundsPotassium Channel BlockersMicroscopy, ElectronProtein TransportXenopus laevisCarbonyl Cyanide m-Chlorophenyl HydrazoneDose-Response Relationship, DrugSynaptic MembranesRats, Sprague-DawleyRabbitsLiposomesCarrier ProteinsOuabainMutationPermeabilityProtein Structure, TertiaryMolecular Sequence DataMicroscopy, FluorescenceIon TransportPotassium Channels, Voltage-GatedTemperatureProtein BindingApoptosisDecapodiformesCarbocyaninesAmino Acid SequenceProtonsRats, WistarMusclesCalcium Channel BlockersCationsMicroscopy, ConfocalMagnesiumAnuraSodium-Potassium-Exchanging ATPaseElectricityMathematicsOnium CompoundsElectrochemistryEscherichia coliChloride ChannelsCytosolNigericinEgtazic AcidCell FractionationSynapsesAcetylcholineCytoplasmCalcium SignalingXenopusReactive Oxygen Species